GTCR38-151M-R10

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A Gas Discharge Tube Arresters (GDTs) is a type of surge protection device used to protect sensitive electronic equipment from electrical surges created by lightning. The GTCR38-151M-R10 is a surge arrester specially designed to provide a reliable and effective protection against high-energy overvoltage transients.

The GTCR38-151M-R10 is designed to handle high-energy, high-frequency over-voltage transients which can occur in the form of lightning, switching surges, or industrial and utility generated overvoltages. The arrester operates when the surge current exceeds the device\'s rated value and the active element of the arrester, a Gas Discharge Tube (GDT), conducts momentarily. This effect of the GDT allowing current to flow through the device as an alternative path to the protected equipment; hence, preventing damage to the protected equipment.

The application field of the GTCR38-151M-R10 includes surge protection for medium voltage and residential systems, communication and telecommunication infrastructure, industrial installations, lighting systems, substations and control systems.

The GTCR38-151M-R10 arrester consists of the GDT, an Insulating Tube, a Residual Voltage Divider and an Arrestor Base. The Insulating Tube separates the Gas Tube from the connected conductors and the Residual Voltage Divider is responsible for detecting the overvoltage that initiates the arrestor. The length of the Insulating Tube determines the surge threshold and the number of GDTs determines the amount of current handling capability of the arrester.

When the voltage exceeds its rated value, the conductance of the GDT increases rapidly and channels the current flow from the line to the arrester\'s base. This rapid increase of conductance provides a low impedance path in order to protect the system from any harmful voltages. After the surge, the device returns to its initial state with a very low residual voltage.

The GTCR38-151M-R10 has an operational voltage range from 0.8 kV to 24.3 kV and a maximum continuous current of 75.3 kA. It is UL recognized and is specified to meet the latest IEC, ANSI, and Telcordia standards. The device includes a built-in 12kV test plug and status indicator for easy installation and testing. It is also equipped with a lightning indicator which provides an easy way for system operators to detect lightning events.

Overall, the GTCR38-151M-R10 arrester is a reliable device which provides a high level of surge protection for sensitive electronic systems. It is designed with an easy installation and testing system, lightning indicator and meets the latest IEC, ANSI, and Telcordia standards.

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